﻿using System;
using System.Collections.Generic;
using System.Data.SqlClient;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp6
{
    class Program
    {
        static void Main(string[] args)
        {
            string go = "server=.;database=master;uid=sa;pwd=123456.";
            SqlConnection connection = new SqlConnection(go);
            Sql.Add(connection);//添加
            Sql.Delete(connection);//删除
            Sql.Alter(connection);//修改
            Sql.Query(connection);//查询
            
            
            

        }
    }
}
